ACT6390(2007) 데이터 시트보기 (PDF) - Active-Semi, Inc

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ACT6390
(Rev.:2007)

1.7A/2.5A PWM Step-Up DC/DC Converters In MSOP

Active-Semi, Inc 

ACT6390/ACT6391

Rev PrA, 01-Sep-07

ELECTRICAL CHARACTERISTICS

(VIN = VEN = 3V, VFREQ = 0V, TA = 25°C, unless otherwise specified.)

PARAMETER

Switch Voltage Rating

Input Voltage

Under Voltage Lockout Threshold

Under Voltage Lockout Hysteresis

Quiescent Supply Current

Supply Current in Shutdown

Switching Frequency

Maximum Duty Cycle

FB Feedback Voltage

FB Input Current

FB Voltage Line Regulation

Error Amplifier Trans-conductance

Error Amplifier Output Current

Switch Current Limit

Switch On Resistance

Switch Leakage Current

Current Sense Trans-resistance

Soft Start Pin Bias Current

Soft Start Reset Resistance

Logic High Threshold

Logic Low Threshold

EN Input Current

FREQ Pull-down Current

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

TEST CONDITIONS

VIN Rising

VFB = 1.3V, Not Switching

VFB = 1.0V, Switching

EN = G

FREQ = G

FREQ = IN

FREQ = G

FREQ = IN

ACT6390

ACT6391

VFB = 1.27V

VFB from 2.6V to 5.5V

ΔI = 5µA

VFB = 1.15V and 1.35V, VCOMP = 1.1V

ACT6390

VFB = 1V, Duty Cycle = 65%

ACT6391

ACT6390

ACT6391

VSW = 12V, EN = G

ACT6390

ACT6391

VSS = 1.2V

VSS = 1.2V, VEN = 0V

EN, FREQ

EN, FREQ

VEN = 0V or 5V

VFREQ = 3V

MIN TYP MAX UNIT

12

V

2.7

5.5

V

2.2 2.35 2.5

V

65

mV

0.2 0.35

1

4

mA

1.4

4

0.1

10

µA

490 700 910 kHz

900 1300 1700 kHz

80

86

92

%

86

1.22 1.24 1.26 V

0

80 nA

0.05 0.15 %/V

70

150 240 µs

11

µA

1.2

1.7

2.3

A

1.8

2.5

3.4

0.2 0.4

Ω

0.15 0.3

15 µA

0.45

V/A

0.3

2

4.5

7

µA

110 220

Ω

1.4

V

0.4

V

0

1

µA

2.5

5.5

8.5 µA

160

°C

20

°C

Innovative Products. Active Solutions.

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www.active-semi.com

Copyright © 2007 Active-Semi, Inc.

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